86885841

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 142548864

約数和(自身を除く): 55663023

約数列:

[1, 3, 7, 19, 21, 57, 73, 133, 157, 219, 361, 399, 471, 511, 1083, 1099, 1387, 1533, 2527, 2983, 3297, 4161, 7581, 8949, 9709, 11461, 20881, 26353, 29127, 34383, 56677, 62643, 79059, 80227, 170031, 184471, 217759, 240681, 396739, 553413, 653277, 1190217, 1524313, 4137421, 4572939, 12412263, 28961947, 86885841]

約数ペア:

[(1, 86885841), (3, 28961947), (7, 12412263), (19, 4572939), (21, 4137421), (57, 1524313), (73, 1190217), (133, 653277), (157, 553413), (219, 396739), (361, 240681), (399, 217759), (471, 184471), (511, 170031), (1083, 80227), (1099, 79059), (1387, 62643), (1533, 56677), (2527, 34383), (2983, 29127), (3297, 26353), (4161, 20881), (7581, 11461), (8949, 9709)]